Bokrug the water lizard. Usually depicted as an iguana, I went for more mosasaur looks.
For mosasaurs were the most badass water lizards ever .
I think I will redo it totally by the way. "However this may be, it is certain that they worshipped a sea-green stone idol chiselled in the likeness of Bokrug, the great water-lizard; before which they danced horribly when the moon was gibbous."
H.P. Lovecraft, The Doom That Came To Sarnath